Share:

US 1 RAMP TC over COMB I93 RMP NS & MBTA

Map

Coordinates:
+42.36972, -71.06556
42°22'11" N, 71°03'56" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US 1 RAMP TC over COMB I93 RMP NS & MBTA
Structure number:B163928XWDOTNBI
Location:I93/US1 INTERCHANGE
Purpose:Carries highway over highway and railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:181.1 ft. [55.2 m]
Total length:442.9 ft. [135.0 m]
Roadway width between curbs:41.0 ft. [12.5 m]
Deck width edge-to-edge:44.9 ft. [13.7 m]
Vertical clearance above deck:16.4 ft. [5.0 m]
Vertical clearance below bridge:24.0 ft. [7.3 m]
Skew angle:99°
Owner:State Highway Agency [01]
Year built:2002
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 22.5 / HS 25 [9]
Number of main spans:3
Main spans material:Prestressed concrete continuous [6]
Main spans design:Segmental box girder [21]
Deck type:Other [9]
Wearing surface:Latex Concrete or similar additive [3]

Latest Available Inspection: September 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:56,700 [as of 2016]
Truck traffic:10% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge not over waterway. [N]
Operating rating:82.4 tons [74.9 metric tons]
Inventory rating:47.4 tons [43.1 metric tons]
Sufficiency rating:64.0
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$4,033,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
September 201664.0FairSatisfactorySatisfactorySatisfactoryFO56700
September 201471.5FairSatisfactorySatisfactorySatisfactoryFO22140
September 201271.5FairSatisfactorySatisfactorySatisfactoryFO22140
March 201071.5FairSatisfactorySatisfactorySatisfactory-22140
November 200764.0FairSatisfactorySatisfactoryGood-174630

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Prestressed Concrete Closed Web/Box Girderlinear ft.88661627000
Deck
Reinforced Concrete Decksq. ft.26,15524,8471,30800
Wearing Surfacessq. ft.26,15524,8471,30800
Substructure
Reinforced Concrete Columneach84310
Prestressed Concrete Pier Caplinear ft.54361800
Reinforced Concrete Pier Caplinear ft.64510130
Joints
Assembly with Sealeach114114000
Bearings
Elastomeric Bearingeach86200
Movable Bearingeach88000
Steel Protective Coatingsq. ft.999999000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.886886000